948646869 has 16 divisors (see below), whose sum is σ = 1385449920. Its totient is φ = 574703360.

The previous prime is 948646819. The next prime is 948646871. The reversal of 948646869 is 968646849.

It is not a de Polignac number, because 948646869 - 2⁹ = 948646357 is a prime.

It is a super-2 number, since 2×948646869² = 1799861764127006322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (948646819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319227 + ... + 322184.

It is an arithmetic number, because the mean of its divisors is an integer number (86590620).

Almost surely, 2^948646869 is an apocalyptic number.

It is an amenable number.

948646869 is a deficient number, since it is larger than the sum of its proper divisors (436803051).

948646869 is a wasteful number, since it uses less digits than its factorization.

948646869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641460.

The product of its digits is 17915904, while the sum is 60.

The square root of 948646869 is about 30800.1115095384. Note that the first 3 decimals coincide. The cubic root of 948646869 is about 982.5806166328.

The spelling of 948646869 in words is "nine hundred forty-eight million, six hundred forty-six thousand, eight hundred sixty-nine".